Hall Langstroth

Person

  • Coral Cables, FL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Line tap valve

    • Patent number 4,018,246
    • Issue date Apr 19, 1977
    • Watsco, Inc.
    • Hall Langstroth
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...